8Problem Solutions – Stability and Quality of Control

S_8.1 8.2.1

  1. Open Loop
    equation

    so

    equation
  2. Open Loop by Characteristic Equation
    equation
    equation

    Damping ratio is

    equation

    Stability:

    so the open-loop system is stable.

  3. PI Controller

    so

  4. Closed Loop ...

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